With the Sentosphere creative set, you can make your own colorful and fragrant bath bombs as well as fizzy bath pebbles. The set contains all the required basic materials and utensils to start experimenting right away. By mixing baking soda, an acid base, liquid dyes, and fine almond oil-based fragrances, you can create individual items. The finished bath bombs fizz in the water and release a pleasant aroma. A detailed instruction manual guides you step-by-step through the manufacturing process, while the various molds provide a variety of designs such as stars or seashells.